Caramelized Onion and Potato Focaccia | The Fancy Pants Kitchen

Ingredients

• 2 cups (300 g) bread flour
• 2 cups (300g) all-purpose flour
• 2 & 1/2 tsp kosher salt
• 2 tsp instant yeast
• 1 tsp sugar
• 1 tbsp plus 1 tsp extra-virgin olive oil
• 3 & 1/4 cups lukewarm water
• extra oil for greasing the dough and pan
• 1 & 1/2 pounds onions sliced and caramelized per this recipe
• 2 ounces yellow potato, very thinly sliced
• 1/2 tbsp olive oil
• 1 tsp fresh rosemary, chopped
• Salt & freshly ground pepper to taste